#include <stdio.h>
#include <string.h>
int main(int argc,const char *argv[])
{
char str[]="hello yanglaoshi!!!";
printf("sizeof(str)=%ld\n",sizeof(str));
char strdest[]="654654";
//将str内容连接到
strcat(strdest,str);
printf("%s\n",strdest);
  return 0;
}